CN107006236A - A kind of high efficiency crop straw crusher - Google Patents

Abstract

The invention provides a high-efficiency crop straw grinder, which includes a crushing cylinder, a main shaft, a feeding port, a gearbox, a motor, a crushing knife, a spiral rotating device, an exhaust fan, a pulley, a conveyor belt, a shock-absorbing base, and a discharge port. Spiral discharge device, dust discharge pipe and dust collection box, the main shaft is installed in the middle of the crushing cylinder, and the crushing knife is installed on the upper part of the main shaft; the feeding port is located on the top of the crushing tank, and the spiral feeding device is installed directly below the feeding port ; The discharge port is located at the side of the lower end of the crushing cylinder, and a spiral discharge device is installed at the feed port. The arrangement of the crushing knife, the spiral screw device, the spiral discharge device, the dust discharge pipe and the dust collection box of the present invention is beneficial to improve the crushing efficiency of the crop straw, the crushing is thorough, and the discharge is used, which is convenient for market promotion and application.

Description

A high-efficiency crop straw grinder

technical field

The invention belongs to the technical field of straw crushing machinery, and in particular relates to a high-efficiency crop straw crushing machine.

Background technique

In China's traditional planting industry, a large amount of auxiliary products such as rice straws are produced, which occupy a large amount of space. The traditional method is to burn or discard them. During the incineration process, a large amount of dust and harmful gases will be generated, seriously polluting the air and The environment brings difficulties to people's life and production. With the development of industrialization, people use pulverizers to crush and recycle rice straw, and then use it as feed for breeding animals to realize the recycling of rice straw. The traditional method is manual crushing , which is time-consuming and labor-intensive, and wastes a lot of labor, and the cost is high.

Therefore, it is very necessary to invent a kind of high-efficiency crop straw pulverizer.

Contents of the invention

In order to solve the above technical problems, the present invention provides a high-efficiency crop straw grinder to solve the existing crop straw grinders with low crushing efficiency, difficulty in feeding and discharging materials, incomplete crushing, large mechanical vibration, and serious air pollution caused by dust. The problem. A high-efficiency crop straw grinder, including a crushing cylinder, a main shaft, a feeding port, a gearbox, a motor, a crushing knife, a spiral screw device, an exhaust fan, a pulley, a conveyor belt, a shock-absorbing base, a discharge port, and a spiral discharge device, dust discharge pipe and dust collection box, the main shaft is installed in the middle of the crushing cylinder, and the crushing knife is installed on the upper part of the main shaft; the feeding port is located at the top of the crushing tank, and a spiral screw device is installed directly below the feeding port; The discharge port is located at the lower end side of the crushing cylinder, and the feeding port is equipped with a spiral discharge device; the spiral spiral device or the spiral discharge device is connected with a pulley, and the pulley is connected to the gearbox through a conveyor belt; The gearbox is connected to the motor, and the gearbox is connected to the main shaft through a coupling; the exhaust fan is connected to the side of the feeding port through a dust discharge pipe, and a dust collection box is arranged at the end of the dust discharge pipe; The shock base is located at the lower part of the crushing cylinder or the motor; the shock absorption base includes a liquid storage chamber and ribs, the shock absorption base is a fully sealed cavity, and the interior of the shock absorption base is divided into several Reservoir.

The crushing knife includes a main knife plate, a main knife edge, a rotating shaft, an auxiliary knife plate and a buffer spring. The main knife plate is vertically installed on the outside of the main shaft, and the side of the main knife plate is provided with a main knife edge. The other side of the main knife plate A rotating shaft is installed; the rotating shaft is connected to the main cutter plate through a buffer spring, and the auxiliary cutter head is installed on the upper part of the rotating shaft.

The included angle between the rotating shaft and the main cutter plate is 60° to 90°. When the cutting resistance of the auxiliary cutter head is large, the buffer spring elastically deforms the rotating shaft to make the rotating shaft moderately bend, thereby protecting the cutter head from damage.

The main knife plate adopts a strip-shaped silicon steel plate with a thickness of 3 mm to 5 mm, which is conducive to increasing the shear force, increasing the impact resistance, and improving the crushing efficiency.

The spiral rotary device or the spiral discharge device adopts spiral blades with opposite rotations, which improves the feeding efficiency of crop straws, and at the same time uses the discharge port to quickly discharge materials to prevent blockage and improve the crushing efficiency.

The inside of the liquid storage chamber is filled with damping oil, which has a good damping and shock absorption effect, and is beneficial to weakening mechanical vibration and reducing noise.

The interior of the dust collection box includes carbon fiber air filter chips, which is beneficial to purify the air, avoid dust pollution of the air, save energy and protect the environment, and ensure a good working environment.

Compared with the prior art, the present invention has the following beneficial effects:

1. The setting of the crushing knife of the present invention is beneficial to improve the shearing force, increase the impact resistance, and improve the crushing efficiency.

2. The arrangement of the screw screw device and the screw discharge device of the present invention improves the feeding efficiency of crop straws, and at the same time uses the discharge port to quickly discharge materials to prevent blockage and improve the crushing efficiency.

3. The arrangement of the shock-absorbing base and the dust discharge pipe of the present invention is beneficial to reduce noise and dust pollution and protect the environment.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a schematic structural view of the pulverizing knife of the present invention.

In the picture:

1-crushing cylinder, 2-spindle, 3-feeding port, 4-gearbox, 5-motor, 6-crushing knife, 61-main blade, 62-main blade, 63-rotating shaft, 64-auxiliary cutterhead, 65- Buffer spring, 7-spiral screw device, 8-exhauster fan, 9-pulley, 10-conveyor belt, 11-shock-absorbing base, 111-liquid storage chamber, 112-rib, 12-discharge port, 13-spiral Discharging device, 14-dust pipe, 15-dust box.

detailed description

The present invention will be further described below in conjunction with accompanying drawing:

Example:

As shown in Figure 1 to Figure 2

The present invention provides a high-efficiency crop straw grinder, which includes a crushing cylinder 1, a main shaft 2, a feeding port 3, a gearbox 4, a motor 5, a crushing knife 6, a spiral screw device 7, an exhaust fan 8, a pulley 9, and a conveyor belt 10. Shock-absorbing base 11, discharge port 12, screw discharge device 13, dust discharge pipe 14 and dust collection box 15, the main shaft 2 is installed in the middle of the crushing cylinder 1, and the crushing knife 6 is installed on the upper part of the main shaft 2; The feeding port 3 is located on the top of the crushing cylinder 1, and the spiral screw device 7 is installed directly below the feeding port 3; the discharge port 12 is located at the lower end side of the crushing cylinder 1, and the feeding port 3 is equipped with a spiral discharging device 13 ; The spiral spiral device 7 or the spiral discharge device 13 is connected with a pulley 9, and the pulley 9 is connected with the gearbox 4 through the conveyor belt 10; the described gearbox 4 is connected with the motor 5, and the gearbox 4 is passed through The shaft coupling is connected with the main shaft 2; the exhaust fan 8 is connected to the side of the feeding port 3 through the dust discharge pipe 14, and a dust collection box is arranged at the end of the dust discharge pipe 14; the shock-absorbing base 11 is located in the crushing cylinder 1 or the lower part of the motor 5; the shock-absorbing base 11 includes a liquid storage chamber 111 and a rib 112, the shock-absorbing base 11 is a fully sealed cavity, and the inside of the shock-absorbing base 11 is separated by the rib 112 There are several liquid storage chambers 111.

The crushing knife 6 includes a main knife plate 61, a main knife edge 62, a rotating shaft 63, an auxiliary knife plate 64 and a buffer spring 65. The main knife plate 61 is vertically installed on the outside of the main shaft 2, and the side of the main knife plate 61 is provided with a main A rotating shaft 63 is installed on the other side of the main cutting board 61 for the cutting edge 62 ; the rotating shaft 63 is connected to the main cutting board 61 through a buffer spring 65 , and the auxiliary cutting disc 63 is installed on the upper part of the rotating shaft 63 .

The included angle between the rotating shaft 63 and the main cutter plate 61 is 60 degrees to 90 degrees. When the cutting resistance of the auxiliary cutter head 64 is large, the buffer spring 65 elastically deforms the rotating shaft 63 to make the rotating shaft 63 moderately bend, thereby protecting the cutter head 63 from damage.

The main knife plate 61 adopts a strip-shaped silicon steel plate with a thickness of 3 mm to 5 mm, which is conducive to increasing the shear force, increasing the impact resistance, and improving the crushing efficiency.

The spiral rotary device 7 or the spiral discharge device 13 adopts spiral blades with opposite rotations, which improves the feeding efficiency of crop straws, and uses the discharge port 12 to quickly discharge materials to prevent clogging and improve the crushing efficiency.

The inside of the liquid storage chamber 111 is filled with damping oil, which has a better damping and shock absorption effect, and is beneficial to weakening mechanical vibration and reducing noise.

The inside of the dust collection box 15 includes carbon fiber air filter chips, which is beneficial to purify the air, prevent dust from polluting the air, save energy and protect the environment, and ensure a good working environment.

working principle

In the present invention, driven by the motor 5, the gearbox 4 provides rotational power for the main shaft 2, drives the crushing knife 6 to perform cutting and crushing movement, and pushes the crop stalks into the crushing cylinder 1 from the feeding port 3 through the spiral screw device 7 After being crushed by the crushing knife 6, the crushed straw powder will be discharged from the discharge port 12 by the screw discharge device 13, wherein the dust in the crushing cylinder 1 will escape from the feed port 3, and the discharge pipe 14 will escape at this time. The dust is collected in the dust box 15 under the effect of exhaust fan 8, to avoid polluting the environment.

Utilize the technical solution described in the present invention, or those skilled in the art design a similar technical solution under the inspiration of the technical solution of the present invention, and achieve the above-mentioned technical effect, all fall into the protection scope of the present invention.

Claims (7)

1. A high-efficiency crop straw grinder, characterized in that it includes a crushing cylinder (1), a main shaft (2), a feeding port (3), a gearbox (4), a motor (5), a crushing knife (6), Spiral screw device (7), exhaust fan (8), pulley (9), conveyor belt (10), shock-absorbing base (11), discharge port (12), spiral discharge device (13), dust discharge pipe (14) and the dust collection box (15), the main shaft (2) is installed in the middle of the crushing cylinder (1), and the crushing knife (6) is installed on the upper part of the main shaft (2); the feeding port (3) is located in the crushing cylinder The top of (1), and the spiral screw device (7) is installed directly below the feeding port (3); the discharge port (12) is located at the lower end side of the crushing cylinder (1), and the feeding port (3) is installed Spiral discharge device (13); said spiral discharge device (7) or spiral discharge device (13) is connected with a pulley (9), and the pulley (9) is connected to the gearbox (4) through the conveyor belt (10) ) is connected; the gearbox (4) is connected with the motor (5), and the gearbox (4) is connected with the main shaft (2) through a coupling; the exhaust fan (8) is connected through the dust discharge pipe (14) It is connected to the side of the feeding port (3), and the end of the dust discharge pipe (14) is provided with a dust collection box; the shock-absorbing base (11) is located at the lower part of the crushing cylinder (1) or the motor (5); the The shock-absorbing base (11) includes a liquid storage chamber (111) and ribs (112), the shock-absorbing base (11) is a fully sealed cavity, and the interior of the shock-absorbing base (11) is composed of ribs ( 112) is divided into several liquid storage chambers (111). 2. The high-efficiency crop straw pulverizer according to claim 1, characterized in that: the crushing knife (6) includes a main knife plate (61), a main knife edge (62), a rotating shaft (63), an auxiliary knife disc ( 64) and a buffer spring (65), the main knife plate (61) is installed vertically on the outside of the main shaft (2), and the side of the main knife plate (61) is provided with a main knife edge (62), the main knife plate (61) A rotating shaft (63) is installed on the other side; the rotating shaft (63) is connected to the main cutter plate (61) through a buffer spring (65), and the auxiliary cutter head (63) is installed on the upper part of the rotating shaft (63). 3. The high-efficiency crop straw grinder according to claim 2, characterized in that: the included angle between the rotating shaft (63) and the main knife plate (61) is 60° to 90°. 4. The high-efficiency crop straw pulverizer according to claim 2, characterized in that: the main knife plate (61) is a strip-shaped silicon steel plate with a thickness of 3 mm to 5 mm. 5. The high-efficiency crop straw pulverizer according to claim 1, characterized in that: the spiral screw device (7) or the spiral discharge device (13) adopts spiral blades with opposite directions of rotation. 6. The high-efficiency crop straw pulverizer according to claim 1, characterized in that: the inside of the liquid storage chamber (111) is filled with damping oil. 7. The high-efficiency crop straw pulverizer according to claim 1, characterized in that: the inside of the dust collection box (15) includes carbon fiber air filter chips.